Fig. 8From: Prediction of plant-level tomato biomass and yield using machine learning with unmanned aerial vehicle imageryCorrelations between observed and simulated number of fruits. a Random forest (RF) with selected variables from first-order statistics. b RF with selected variables from first- and second-order statistics. c Ridge regression (RI) with selected variables from first-order statistics. d RI with selected variables from first- and second-order statistics. e support vector machine (SVM) with selected variables from first-order statistics. f SVM with selected variables from first- and second-order statisticsBack to article page